Nadex Adjusts Strike Width for Crude Oil Binary Contracts

Pursuant to Section 5c(c)(1) of the Commodity Exchange Act, and Commission Regulation §40.6(d)(2)(iv), Nadex is providing notice that due to decreased volatility in the underlying markets upon which the Nadex Crude Oil contracts are based, Nadex adjusted the strike width for its Daily Crude Oil contracts from 0.50 to 0.10, beginning on trade date May 14, 2018 and continuing through May 18, 2018. Nadex plans to continue listing the adjusted strike width of 0.10 on a temporary basis through June 5, 2018, when the change will be made permanently and reflected in the Rulebook pursuant to its self-certification filing made this day as Nadex filing number 20180518(1).